497920436468

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1531}}^1\times {\mathrm{68729}}^1$

素因数の和:70297

約数の個数: 72

約数和(自身を含む): 1079056601280

約数和(自身を除く): 581136164812

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 1531, 2366, 3062, 4732, 6124, 10717, 19903, 21434, 39806, 42868, 68729, 79612, 137458, 139321, 258739, 274916, 278642, 481103, 517478, 557284, 893477, 962206, 1034956, 1786954, 1811173, 1924412, 3573908, 3622346, 6254339, 7244692, 11615201, 12508678, 23230402, 25017356, 46460804, 81306407, 105224099, 162612814, 210448198, 325225628, 420896396, 736568693, 1367913287, 1473137386, 2735826574, 2946274772, 5471653148, 9575393009, 17782872731, 19150786018, 35565745462, 38301572036, 71131490924, 124480109117, 248960218234, 497920436468]

約数ペア:

[(1, 497920436468), (2, 248960218234), (4, 124480109117), (7, 71131490924), (13, 38301572036), (14, 35565745462), (26, 19150786018), (28, 17782872731), (52, 9575393009), (91, 5471653148), (169, 2946274772), (182, 2735826574), (338, 1473137386), (364, 1367913287), (676, 736568693), (1183, 420896396), (1531, 325225628), (2366, 210448198), (3062, 162612814), (4732, 105224099), (6124, 81306407), (10717, 46460804), (19903, 25017356), (21434, 23230402), (39806, 12508678), (42868, 11615201), (68729, 7244692), (79612, 6254339), (137458, 3622346), (139321, 3573908), (258739, 1924412), (274916, 1811173), (278642, 1786954), (481103, 1034956), (517478, 962206), (557284, 893477)]